Thursday Optional Cardio or Rest Day Workout

With the Air bike/ Bike erg and Ski Erg
1:00 easy -> :30 moderate
1:00 easy -> :30 mod/fast
1:00 easy -> :30 fast
rest 1.5 min and same thing with ski erg. Alternating times total 2-3 times.
So its 4 or 6 times 4.5 min work with different paces.
Choose 2-3 mobility drills for lower and upperbody and spend 2-3 min per / mobility.
Put the score of ski and bike erg as calories on result area.